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AS1323-30

AS1323-30首页预览图
型号: AS1323-30
PDF文件:
  • AS1323-30 PDF文件
  • AS1323-30 PDF在线浏览
功能描述: 1.6uA Quiescent Current, Single Cell, DC-DC Step-up Converter
PDF文件大小: 665.43 Kbytes
PDF页数: 共14页
制造商: AMSCO[ams AG]
制造商LOGO: AMSCO[ams AG] LOGO
制造商网址: http://www.ams.com
捡单宝AS1323-30
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  • AS1323-30
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PDF页面索引
120%
AS1323
1.6µA Quiescent Current, Single Cell, DC-DC Step-up Converter
Data Sheet
www.austriamicrosystems.com Revision 1.04 1 - 14
1 General Description
The AS1323 high-efficiency step-up DC-DC converter
was designed specifically for single-cell, battery-pow-
ered devices where lowest quiescent current and high
efficiency are essential.
The compact device is available in three fixed-voltage
variations and is perfect for a wide variety of applications
where extremely-low quiescent currents and very-small
form factors are critical.
The devices are available as the standard prod ucts
shown in Table 1. See also Ordering Information on
page 13.
Integrated boot circuitry ensures start-up even with very-
high load currents.
The true output disconnect feature compl etely discon-
nects the output from the battery during shutdown.
The device is available in a TSOT23-5 pin package.
Figure 1. Typical Operating Circuit
2 Key Features
! 1.6µA Quiescent Current
! Input Voltage Range: 0.75 to 2V
! Up to 100mA Output Current
! Fixed Output Voltages: 2.7, 3.0 and 3.3V
! Shutdown Current: 0.1µA
! Output Voltage Accuracy: ±3%
! Efficiency: Up to 85%
! No External Diode or FETs Needed
! Output Disconnect in Shutdown
! Guaranteed 0.95V Start-Up Voltage
! TSOT23-5 Package
3 Applications
The devices are ideal for single-cell portable devices
including mobile phones, MP3 players, PDAs, remote
controls, personal medical devices, wireless transmitters
and receivers, and any other battery-operated, portable
device.
Table 1. Standard Products
Model Fixed Output Voltage Package
AS1323-27 2.7V TSOT23-5
AS1323-30 3.0V TSOT23-5
AS1323-33 3.3V TSOT23-5
AS1323
3
SHDNN
1
VBATT
4
VOUT
5
LX
10µF
2
VSS
10µF
10µH
4VOUT3SHDNN
2
VSS
1VBATT 5LX
AS1323
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